Nantucket, Massachusetts Water Quality Report
Water quality data for 2 water systems serving 30,703 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (20)
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Resolved Violations (266)
03
Apr 1, 2025 — Jun 30, 2025
03
Apr 1, 2025 — Jun 30, 2025
03
Apr 1, 2025 — Jun 30, 2025
03
Apr 1, 2025 — Jun 30, 2025
03
Apr 1, 2025 — Jun 30, 2025
+ 261 more resolved violations
Frequently Asked Questions
Is Nantucket tap water safe to drink?
Nantucket's water meets all EPA maximum contaminant levels. However, 0 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Nantucket tap water?
0 contaminants have been detected in Nantucket's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Nantucket?
Install a water filter rated for the specific contaminants found in Nantucket's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Nantucket have any water quality violations?
Yes, Nantucket currently has 20 active violations. See the violations section above for details.